{"iri":"http://fasb.org/us-gaap/2026#ExchangeMembershipsPolicy","label":"Exchange Memberships, Policy [Policy Text Block]","definition":"Disclosure of accounting policy for exchange membership with right of ownership, right to conduct business and contributed exchange membership.","license":"https://accountingfoundation.org/page/pageContent?pageId=/Termsofuse/Termsofuse.html","source":"gaap","source_url":"http://fasb.org/us-gaap/2026#ExchangeMembershipsPolicy"}